{{Infobox weapon | name = Rossignol machine rifle | image = File:Rossignol ENT.jpg | caption = The Rossignol ENT experimental automatic rifle | origin = France | type = Automatic rifle <!-- Type selection --> | is_ranged = YES <!-- Service history --> | service = | used_by = | wars = <!-- Production history --> | designer = Rossignol | design_date = 1896<ref>https://www.forgottenweapons.com/book-review-proud-promise-by-jean-huon/</ref> | manufacturer = ENT | unit_cost = | production_date = | number = | variants = <!-- General specifications --> | spec_label = | weight = 9.7kg | length = | part_length = <!-- Ranged weapon specifications --> | cartridge = 6×60mm | cartridge_weight = | caliber = 6mm | barrels = | action = Gas | rate = | velocity = | range = | max_range = | feed = | sights = }}

The '''Rossignol ENT''' was an experimental [[automatic rifle]] of French origin from around the first years of the 20th century. It was the first rifle which used the [[direct impingement]] operating system,<ref name="Skinner2013">{{cite book|author=Stan Skinner|title=Shooter's Bible Guide to Extreme Iron|url=https://books.google.com/books?id=ZQYHBAAAQBAJ&pg=PT120|date=20 November 2013|publisher=Skyhorse Publishing Company, Incorporated|isbn=978-1-62873-538-3|pages=120–}}</ref> which found later use in the Swedish [[Ag m/42]], the French [[MAS-49 rifle|1940 MAS]] and, most notably, the [[AR-10]] and [[AR-15]] series of rifles.

Rossignol developed the new impingement system, and modified the Friberg-Kjellman system of opposing, retractable bolt lugs for this experimental rifle.<ref name="DemaisonBuffetaut1995"/> The rifle was produced under the [[École Normale de Tir]], thus the ENT designation, and was produced in at least four variants, "ENT No. 1 or B1, B2, B4, B5".<ref name="Walter2006">{{cite book|author=John Walter|title=Rifles of the World|url=https://books.google.com/books?id=Eq2Dnj4sDZIC&pg=PA557|date=25 March 2006|publisher=Krause Publications|isbn=0-89689-241-7|pages=557–}}</ref>

==Specifications== * Cartridge: 6×60mm<ref name="DemaisonBuffetaut1995">{{cite book|author1=Gerard Demaison|author2=Yves Buffetaut|title=Honour bound: the Chauchat machine rifle|url=https://books.google.com/books?id=lQUyAQAAIAAJ|date=18 August 1995|publisher=Collector Grade|isbn=978-0-88935-190-5|page=2}}</ref> * Caliber: 6mm * Weight: 9.7&nbsp;kg * Operation: Gas direct-impingement

==References== {{reflist}}

==Further reading== *{{cite book|author=Jean Huon|title=Proud Promise: French Autoloading Rifles, 1898-1979|url=https://books.google.com/books?id=O_3NAAAACAAJ|year=1995|publisher=Collector Grade Publications|isbn=978-0-88935-186-8}} * http://i2.guns.ru/forums/icons/forum_pictures/000643/643512.jpg {{Use dmy dates|date=June 2017}}

[[Category:Light machine guns]] [[Category:Automatic rifles]] [[Category:Machine guns of France]] [[Category:Trial and research firearms of France]] [[Category:Weapons and ammunition introduced in 1900]]